Safety and Capacity
ERTMS means that a central system can instruct each train to go faster when there is a sufficient gap with the one in front, or go slower when it calculates that this is the safe thing to do.
ERTMS has been designed to:
It will be rolled out across the UK (and Europe in the next ten years)
The following slides look at how it works on the Thameslink Service through central London and go on to examine some of the threats that might be encountered. ERTMS will support some of Britain’s modest critical national infrastructure and must be kept safe and operational.